DE3367113D1 - Regenerator for carburizing salt baths and process for making it - Google Patents

Regenerator for carburizing salt baths and process for making it

Info

Publication number
DE3367113D1
DE3367113D1 DE8383112965T DE3367113T DE3367113D1 DE 3367113 D1 DE3367113 D1 DE 3367113D1 DE 8383112965 T DE8383112965 T DE 8383112965T DE 3367113 T DE3367113 T DE 3367113T DE 3367113 D1 DE3367113 D1 DE 3367113D1
Authority
DE
Germany
Prior art keywords
regenerator
making
salt baths
carburizing
carburizing salt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8383112965T
Other languages
English (en)
Inventor
Hans-Hermann Dr Dipl Che Beyer
Ulrich Dr Dipl Chem Baudis
Peter Dipl Ing Biberbach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Durferrit GmbH Thermotechnik
Original Assignee
Degussa GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Degussa GmbH filed Critical Degussa GmbH
Priority to DE8383112965T priority Critical patent/DE3367113D1/de
Application granted granted Critical
Publication of DE3367113D1 publication Critical patent/DE3367113D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Manufacture And Refinement Of Metals (AREA)
DE8383112965T 1983-01-08 1983-12-22 Regenerator for carburizing salt baths and process for making it Expired DE3367113D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8383112965T DE3367113D1 (en) 1983-01-08 1983-12-22 Regenerator for carburizing salt baths and process for making it

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833300488 DE3300488A1 (de) 1983-01-08 1983-01-08 Regenerierungsmittel fuer kohlungssalzbaeder und verfahren zu deren herstellung
DE8383112965T DE3367113D1 (en) 1983-01-08 1983-12-22 Regenerator for carburizing salt baths and process for making it

Publications (1)

Publication Number Publication Date
DE3367113D1 true DE3367113D1 (en) 1986-11-27

Family

ID=6187925

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19833300488 Withdrawn DE3300488A1 (de) 1983-01-08 1983-01-08 Regenerierungsmittel fuer kohlungssalzbaeder und verfahren zu deren herstellung
DE8383112965T Expired DE3367113D1 (en) 1983-01-08 1983-12-22 Regenerator for carburizing salt baths and process for making it

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19833300488 Withdrawn DE3300488A1 (de) 1983-01-08 1983-01-08 Regenerierungsmittel fuer kohlungssalzbaeder und verfahren zu deren herstellung

Country Status (18)

Country Link
US (1) US4509993A (de)
EP (1) EP0113474B1 (de)
JP (1) JPS59133363A (de)
AR (1) AR241711A1 (de)
AT (1) ATE23054T1 (de)
AU (1) AU563807B2 (de)
BR (1) BR8400058A (de)
CA (1) CA1200472A (de)
DE (2) DE3300488A1 (de)
ES (1) ES528702A0 (de)
HU (1) HU191261B (de)
IL (1) IL70461A (de)
IN (1) IN161676B (de)
MX (1) MX169710B (de)
PT (1) PT77901B (de)
SU (1) SU1227120A3 (de)
YU (1) YU43558B (de)
ZA (1) ZA839274B (de)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB379764A (en) * 1930-06-07 1932-09-05 Degussa Improvements in or relating to the cementation of iron and steel and their alloys
US2049806A (en) * 1933-03-10 1936-08-04 Du Pont Carburization of ferrous metals
US3303063A (en) * 1964-06-15 1967-02-07 Gen Motors Corp Liquid nitriding process using urea
DE2234171C2 (de) * 1972-07-12 1973-10-31 Th. Goldschmidt Ag, 4300 Essen Verfahren zur gemeinsamen Be seitigung und/oder Aufarbeitung von Hartesalzabfällen
US4019928A (en) * 1973-03-05 1977-04-26 Duetsche Gold- Und Silber-Scheideanstalt Vormals Roessler Process for nitriding iron and steel in salt baths regenerated with triazine polymers
ES437450A1 (es) * 1974-05-17 1976-12-01 Stephanois Rech Mec Un procedimiento para mantener en valores muy bajos la pro-porcion de cianuros en los banos de sales fundidas.
SU697603A1 (ru) * 1977-05-19 1979-11-15 Предприятие П/Я Р-6500 Расплав дл азотировани стальных деталей
SU775170A1 (ru) * 1979-01-16 1980-10-30 Львовский Ордена Ленина Политехнический Институт Среда дл цианировани сталей
US4268323A (en) * 1979-04-05 1981-05-19 Kolene Corp. Process for case hardening steel

Also Published As

Publication number Publication date
DE3300488A1 (de) 1984-07-12
ES8407106A1 (es) 1984-09-01
CA1200472A (en) 1986-02-11
EP0113474A3 (en) 1984-12-05
AU2307384A (en) 1984-07-12
ZA839274B (en) 1984-10-31
JPS59133363A (ja) 1984-07-31
PT77901B (de) 1986-04-11
AR241711A1 (es) 1992-11-30
MX169710B (es) 1993-07-19
ATE23054T1 (de) 1986-11-15
IL70461A0 (en) 1984-03-30
YU43558B (en) 1989-08-31
PT77901A (de) 1984-01-01
SU1227120A3 (ru) 1986-04-23
HU191261B (en) 1987-01-28
EP0113474A2 (de) 1984-07-18
US4509993A (en) 1985-04-09
YU248083A (en) 1985-10-31
ES528702A0 (es) 1984-09-01
JPH0524986B2 (de) 1993-04-09
EP0113474B1 (de) 1986-10-22
BR8400058A (pt) 1984-08-14
AU563807B2 (en) 1987-07-23
IL70461A (en) 1987-12-20
IN161676B (de) 1988-01-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HOUGHTON DURFERRIT GMBH, 68169 MANNHEIM, DE

8327 Change in the person/name/address of the patent owner

Owner name: DURFERRIT GMBH, 68169 MANNHEIM, DE